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The Cannizzaro reaction, named after its discoverer Stanislao Cannizzaro, is a chemical reaction which involves the base-induced disproportionation of two molecules of a non-enolizable aldehyde to give a primary alcohol and a carboxylic acid. [1] [2]
18-Crown-6 can be synthesized by the Williamson ether synthesis using potassium ion as the template cation. Structure of nickel-aquo nitrate complex of the ligand derived from the templated trimerization of 2-aminobenzaldehyde. [5] The phosphorus analogue of an aza crown can be prepared by a template reaction. [6]
ca(oh) 2 + k 2 co 3 → caco 3 + 2 koh Filtering off the precipitated calcium carbonate and boiling down the solution gives potassium hydroxide ("calcinated or caustic potash"). This method of producing potassium hydroxide remained dominant until the late 19th century, when it was largely replaced by the current method of electrolysis of ...
6 KOH + 4 O 3 → 4 KO 3 + 2 KOH(H 2 O) + O 2. The compound is metastable, and will decompose to potassium superoxide and oxygen, especially if there is any water in the atmosphere. Long-term storage in very dry atmosphere is possible below around 0 °C. [3] KO 3 → KO 2 + ½ O 2. This compound reacts with water to form potassium hydroxide and ...
The net reaction as shown below is oxidation of SO 2 by I 2. One mole of I 2 is consumed for each mole of H 2 O. In other words, 2 moles of electrons are consumed per mole of water. 2 I − → I 2 + 2 e − B·I 2 + B·SO 2 + B + H 2 O → 2 BH + I − + BSO 3 BSO 3 + ROH → BHRSO 4. The end point is detected most commonly by a ...
Potassium hypochlorite is produced by the disproportionation reaction of chlorine with a solution of potassium hydroxide: [2] Cl 2 + 2 KOH → KCl + KOCl + H 2 O. This is the traditional method, first used by Claude Louis Berthollet in 1789. [3] Another production method is electrolysis of potassium chloride solution.